@mixin webkit($type, $value) {
  -webkit-#{$type}: $value;
  -moz-#{$type}: $value;
  -o-#{$type}: $value;
  -ms-#{$type}: $value;
  #{$type}: $value;
}

@mixin center() {
  display: flex;
  justify-content: center;
  align-items: center;
}

@mixin shadow() {
  box-shadow: 0 3px 16px 0 rgba(0, 0, 0, 0.1);
  background-color: black;
}
